{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T05:09:05Z","timestamp":1781154545127,"version":"3.54.1"},"reference-count":25,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2005,7,1]],"date-time":"2005-07-01T00:00:00Z","timestamp":1120176000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["acsess.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Soil Science Soc of Amer J"],"published-print":{"date-parts":[[2005,7]]},"abstract":"<jats:p>\n                    Estimation of soil hydraulic properties by pedotransfer functions (PTFs) can be used in many applications. Some of existing PTFs estimate saturated hydraulic conductivity (\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    ) of the soil, using organic matter (OM) content as one of the input variables. Several authors have shown an increase in\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    with increasing OM content, a soil property that presumably improves soil structure. We used three popular PTFs to examine the relationship between OM content and\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    We also used data originating from the U.S., Hungary, and the European HYPRES database, to develop additional PTFs with the Group Method of Data Handling (GMDH). It appears that existing PTFs negatively correlate\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    with OM content for some soils. We found indications of negative relationship between OM content and\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    with the newly developed PTFs both for directly estimated\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    , and for\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    estimated via the effective porosity of the soil, using a generalized Kozeny\u2013Carman approach. It is not straightforward to define the exact range of soils with the inverse relationship between OM and\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>s<\/jats:sub>\n                    The range appeared to be data set dependent, but it was extensive within the valid input range of each PTF.\n                  <\/jats:p>","DOI":"10.2136\/sssaj2004.0055","type":"journal-article","created":{"date-parts":[[2005,6,29]],"date-time":"2005-06-29T12:43:03Z","timestamp":1120048983000},"page":"1330-1337","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":141,"title":["Influence of Organic Matter on the Estimation of Saturated Hydraulic Conductivity"],"prefix":"10.1002","volume":"69","author":[{"given":"Attila","family":"Nemes","sequence":"first","affiliation":[{"name":"USDA\u2010ARS Hydrology and Remote Sensing Lab. 10300 Baltimore Ave., Bldg. 007, BARC\u2010West Beltsville MD 20705"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Walter J.","family":"Rawls","sequence":"additional","affiliation":[{"name":"USDA\u2010ARS Hydrology and Remote Sensing Lab. 10300 Baltimore Ave., Bldg. 007, BARC\u2010West Beltsville MD 20705"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yakov A.","family":"Pachepsky","sequence":"additional","affiliation":[{"name":"USDA\u2010ARS Environmental Microbial Safety Lab. Powder Mill Road, Bldg. 173, BARC\u2010East Beltsville MD 20705"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2005,7]]},"reference":[{"key":"e_1_2_7_2_1","volume-title":"Users manual. 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ASAE"},{"key":"e_1_2_7_17_1","first-page":"95","volume-title":"Development of pedotransfer functions in soil hydrology","author":"Rawls W.J.","year":"2005"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-1694(01)00468-1"},{"key":"e_1_2_7_19_1","volume-title":"National characterization data","author":"Soil Survey Staff","year":"1997"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.2136\/sssaj1999.6351086x"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.2136\/sssaj2003.1085"},{"key":"e_1_2_7_22_1","volume-title":"Pedon\u2010Soil Equations Interface (SEI): Pedotransfer functions for estimating hydraulic soil parameters","author":"Ungaro F.","year":"2002"},{"key":"e_1_2_7_23_1","volume-title":"Soil survey manual","author":"USDA","year":"1951"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1097\/00010694-199001000-00001"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0016-7061(98)00132-3"},{"key":"e_1_2_7_26_1","unstructured":"W\u00f6sten J.H.M. G.J.Veerman W.J.M.deGroot andJ.Stolte.2001.Waterretentie\u2010en doorlatendheidskarakteristieken van boven\u2010en ondergronden in Nederland: De Staringreeks. (Water retention and hydraulic conductivity characteristics of top\u2010 and subsoils of the Netherlands: The Staring\u2010series). (In Dutch.) ALTERRA Report Nr. 153.ALTERRA.Wageningen The Netherlands."}],"container-title":["Soil Science Society of America Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.2136%2Fsssaj2004.0055","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/acsess.onlinelibrary.wiley.com\/doi\/pdf\/10.2136\/sssaj2004.0055","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T13:44:08Z","timestamp":1761486248000},"score":1,"resource":{"primary":{"URL":"https:\/\/acsess.onlinelibrary.wiley.com\/doi\/10.2136\/sssaj2004.0055"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2005,7]]},"references-count":25,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2005,7]]}},"alternative-id":["10.2136\/sssaj2004.0055"],"URL":"https:\/\/doi.org\/10.2136\/sssaj2004.0055","archive":["Portico"],"relation":{},"ISSN":["0361-5995","1435-0661"],"issn-type":[{"value":"0361-5995","type":"print"},{"value":"1435-0661","type":"electronic"}],"subject":[],"published":{"date-parts":[[2005,7]]},"assertion":[{"value":"2004-02-13","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2005-07-01","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}